NCV33063AVDR2G

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - High efficiency - Low standby current - Wide input voltage range - Adjustable output voltage - Overcurrent protection - Thermal shutdown protection

Package: SOIC-8

Essence: The NCV33063AVDR2G is a versatile voltage regulator IC that offers high efficiency and various protection features. It is commonly used in power supply applications.

Packaging/Quantity: The NCV33063AVDR2G is available in a standard SOIC-8 package. It is typically sold in reels of 2500 units.

Specifications

• Input Voltage Range: 3V to 40V
• Output Voltage Range: 1.25V to 37V
• Maximum Output Current: 1.5A
• Switching Frequency: Up to 100kHz
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The NCV33063AVDR2G has eight pins arranged as follows:

```

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| | --| Vout |-- --| Gnd |-- --| FB |-- --| Vin |-- --| SW |-- --| Comp |-- --| Error |-- |_______| ```

1. Vout: Output voltage pin.
2. Gnd: Ground reference pin.
3. FB: Feedback pin for adjusting the output voltage.
4. Vin: Input voltage pin.
5. SW: Switching pin connected to an external inductor.
6. Comp: Compensation pin for stability control.
7. Error: Error amplifier output pin.

Functional Features

• High Efficiency: The NCV33063AVDR2G utilizes a synchronous buck converter topology, resulting in high efficiency power conversion.
• Low Standby Current: The IC features a low standby current mode, reducing power consumption during idle periods.
• Wide Input Voltage Range: It can accept input voltages ranging from 3V to 40V, making it suitable for various applications.
• Adjustable Output Voltage: The output voltage can be easily adjusted using an external resistor divider network.
• Overcurrent Protection: The IC incorporates overcurrent protection to safeguard the circuit and connected devices.
• Thermal Shutdown Protection: In case of excessive temperature, the thermal shutdown feature prevents damage to the IC.

Advantages and Disadvantages

Advantages: - High efficiency power conversion - Wide input voltage range - Adjustable output voltage - Overcurrent and thermal protection

Disadvantages: - Limited maximum output current (1.5A) - Requires external components for operation

Working Principles

The NCV33063AVDR2G operates as a step-down (buck) voltage regulator. It uses a pulse-width modulation (PWM) control scheme to regulate the output voltage. The internal oscillator generates a fixed frequency signal that controls the switching of the internal power MOSFET. This switching action, along with the external inductor and capacitor, converts the input voltage to the desired output voltage.

Detailed Application Field Plans

The NCV33063AVDR2G is widely used in various applications, including: - Power supply circuits for electronic devices - Battery chargers - LED lighting systems - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to the NCV33063AVDR2G include: - LM2576-ADJ - LM2596-ADJ - XL4016E1 - TPS5430

These alternatives offer similar functionality and can be used as replacements depending on specific requirements.

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